Bed



FIG. 1 is a perspective view of a bed;

FIG. 2 is a left side view of a bed;

FIG. 3 is a right side view of a bed;

FIG. 4 is a top view of a bed;

FIG. 5 is a bottom view of a bed;

FIG. 6 is a front view of a bed; and,

FIG. 7 is a back view of a bed.

I claim the ornamental design for a bed, as shown and described.